Commit | Line | Data |
---|---|---|
d06d03db | 1 | /* |
ccd7e1c8 | 2 | * array.c |
d06d03db | 3 | * |
ccd7e1c8 | 4 | * BabelTrace - Array Type Converter |
d06d03db | 5 | * |
64fa3fec MD |
6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
d06d03db | 9 | * |
ccd7e1c8 MD |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
d06d03db | 16 | * |
ccd7e1c8 MD |
17 | * The above copyright notice and this permission notice shall be included in |
18 | * all copies or substantial portions of the Software. | |
c462e188 MD |
19 | * |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
d06d03db MD |
27 | */ |
28 | ||
29 | #include <babeltrace/compiler.h> | |
4c8bfb7e | 30 | #include <babeltrace/format.h> |
3122e6f0 | 31 | #include <babeltrace/types.h> |
0f980a35 | 32 | #include <inttypes.h> |
d06d03db | 33 | |
c054553d | 34 | static |
f6625916 | 35 | struct definition *_array_definition_new(struct declaration *declaration, |
05c749e5 | 36 | struct definition_scope *parent_scope, |
98df1c9f | 37 | GQuark field_name, int index, const char *root_name); |
c054553d | 38 | static |
e1151715 | 39 | void _array_definition_free(struct definition *definition); |
c054553d | 40 | |
c5e74408 | 41 | int array_rw(struct stream_pos *pos, struct definition *definition) |
d06d03db | 42 | { |
d11e9c49 | 43 | struct definition_array *array_definition = |
e1151715 | 44 | container_of(definition, struct definition_array, p); |
d11e9c49 MD |
45 | const struct declaration_array *array_declaration = |
46 | array_definition->declaration; | |
c054553d | 47 | uint64_t i; |
c5e74408 | 48 | int ret; |
d06d03db | 49 | |
d11e9c49 | 50 | /* No need to align, because the first field will align itself. */ |
f6625916 | 51 | for (i = 0; i < array_declaration->len; i++) { |
b1a2f580 MD |
52 | struct definition *field = |
53 | g_ptr_array_index(array_definition->elems, i); | |
54 | ret = generic_rw(pos, field); | |
c5e74408 MD |
55 | if (ret) |
56 | return ret; | |
d06d03db | 57 | } |
c5e74408 | 58 | return 0; |
d06d03db MD |
59 | } |
60 | ||
c054553d | 61 | static |
f6625916 | 62 | void _array_declaration_free(struct declaration *declaration) |
d06d03db | 63 | { |
f6625916 MD |
64 | struct declaration_array *array_declaration = |
65 | container_of(declaration, struct declaration_array, p); | |
c054553d | 66 | |
f6625916 MD |
67 | free_declaration_scope(array_declaration->scope); |
68 | declaration_unref(array_declaration->elem); | |
69 | g_free(array_declaration); | |
d06d03db MD |
70 | } |
71 | ||
f6625916 | 72 | struct declaration_array * |
ab4cf058 | 73 | array_declaration_new(size_t len, |
f6625916 MD |
74 | struct declaration *elem_declaration, |
75 | struct declaration_scope *parent_scope) | |
d06d03db | 76 | { |
f6625916 MD |
77 | struct declaration_array *array_declaration; |
78 | struct declaration *declaration; | |
d06d03db | 79 | |
f6625916 MD |
80 | array_declaration = g_new(struct declaration_array, 1); |
81 | declaration = &array_declaration->p; | |
82 | array_declaration->len = len; | |
83 | declaration_ref(elem_declaration); | |
84 | array_declaration->elem = elem_declaration; | |
85 | array_declaration->scope = new_declaration_scope(parent_scope); | |
86 | declaration->id = CTF_TYPE_ARRAY; | |
d06d03db | 87 | /* No need to align the array, the first element will align itself */ |
f6625916 | 88 | declaration->alignment = 1; |
f6625916 MD |
89 | declaration->declaration_free = _array_declaration_free; |
90 | declaration->definition_new = _array_definition_new; | |
91 | declaration->definition_free = _array_definition_free; | |
92 | declaration->ref = 1; | |
93 | return array_declaration; | |
d06d03db | 94 | } |
c054553d MD |
95 | |
96 | static | |
e1151715 | 97 | struct definition * |
f6625916 | 98 | _array_definition_new(struct declaration *declaration, |
05c749e5 | 99 | struct definition_scope *parent_scope, |
98df1c9f | 100 | GQuark field_name, int index, const char *root_name) |
c054553d | 101 | { |
f6625916 MD |
102 | struct declaration_array *array_declaration = |
103 | container_of(declaration, struct declaration_array, p); | |
e1151715 | 104 | struct definition_array *array; |
98df1c9f MD |
105 | int ret; |
106 | int i; | |
c054553d | 107 | |
e1151715 | 108 | array = g_new(struct definition_array, 1); |
f6625916 MD |
109 | declaration_ref(&array_declaration->p); |
110 | array->p.declaration = declaration; | |
111 | array->declaration = array_declaration; | |
c054553d | 112 | array->p.ref = 1; |
98df1c9f MD |
113 | /* |
114 | * Use INT_MAX order to ensure that all fields of the parent | |
115 | * scope are seen as being prior to this scope. | |
116 | */ | |
117 | array->p.index = root_name ? INT_MAX : index; | |
b1a2f580 | 118 | array->p.name = field_name; |
98df1c9f | 119 | array->p.path = new_definition_path(parent_scope, field_name, root_name); |
a35173fe | 120 | array->p.scope = new_definition_scope(parent_scope, field_name, root_name); |
98df1c9f MD |
121 | ret = register_field_definition(field_name, &array->p, |
122 | parent_scope); | |
123 | assert(!ret); | |
81dee1bb MD |
124 | array->string = NULL; |
125 | array->elems = NULL; | |
126 | ||
127 | if (array_declaration->elem->id == CTF_TYPE_INTEGER) { | |
128 | struct declaration_integer *integer_declaration = | |
129 | container_of(array_declaration->elem, struct declaration_integer, p); | |
130 | ||
131 | if (integer_declaration->encoding == CTF_STRING_UTF8 | |
132 | || integer_declaration->encoding == CTF_STRING_ASCII) { | |
133 | ||
134 | array->string = g_string_new(""); | |
135 | ||
136 | if (integer_declaration->len == CHAR_BIT | |
137 | && integer_declaration->p.alignment == CHAR_BIT) { | |
138 | return &array->p; | |
139 | } | |
140 | } | |
141 | } | |
142 | ||
b1a2f580 MD |
143 | array->elems = g_ptr_array_sized_new(array_declaration->len); |
144 | g_ptr_array_set_size(array->elems, array_declaration->len); | |
0f980a35 | 145 | for (i = 0; i < array_declaration->len; i++) { |
b1a2f580 | 146 | struct definition **field; |
0f980a35 MD |
147 | GString *str; |
148 | GQuark name; | |
149 | ||
150 | str = g_string_new(""); | |
98df1c9f | 151 | g_string_printf(str, "[%u]", (unsigned int) i); |
0f980a35 MD |
152 | name = g_quark_from_string(str->str); |
153 | (void) g_string_free(str, TRUE); | |
154 | ||
b1a2f580 MD |
155 | field = (struct definition **) &g_ptr_array_index(array->elems, i); |
156 | *field = array_declaration->elem->definition_new(array_declaration->elem, | |
a35173fe | 157 | array->p.scope, |
98df1c9f MD |
158 | name, i, NULL); |
159 | if (!*field) | |
160 | goto error; | |
0f980a35 | 161 | } |
81dee1bb | 162 | |
c054553d | 163 | return &array->p; |
98df1c9f MD |
164 | |
165 | error: | |
166 | for (i--; i >= 0; i--) { | |
167 | struct definition *field; | |
168 | ||
169 | field = g_ptr_array_index(array->elems, i); | |
170 | field->declaration->definition_free(field); | |
171 | } | |
172 | (void) g_ptr_array_free(array->elems, TRUE); | |
a35173fe | 173 | free_definition_scope(array->p.scope); |
98df1c9f MD |
174 | declaration_unref(array->p.declaration); |
175 | g_free(array); | |
176 | return NULL; | |
c054553d MD |
177 | } |
178 | ||
179 | static | |
e1151715 | 180 | void _array_definition_free(struct definition *definition) |
c054553d | 181 | { |
e1151715 MD |
182 | struct definition_array *array = |
183 | container_of(definition, struct definition_array, p); | |
0f980a35 | 184 | uint64_t i; |
c054553d | 185 | |
81dee1bb MD |
186 | if (array->string) |
187 | (void) g_string_free(array->string, TRUE); | |
188 | if (array->elems) { | |
189 | for (i = 0; i < array->elems->len; i++) { | |
190 | struct definition *field; | |
0f980a35 | 191 | |
81dee1bb MD |
192 | field = g_ptr_array_index(array->elems, i); |
193 | field->declaration->definition_free(field); | |
194 | } | |
195 | (void) g_ptr_array_free(array->elems, TRUE); | |
0f980a35 | 196 | } |
a35173fe | 197 | free_definition_scope(array->p.scope); |
f6625916 | 198 | declaration_unref(array->p.declaration); |
c054553d MD |
199 | g_free(array); |
200 | } | |
0f980a35 | 201 | |
3838df27 MD |
202 | uint64_t array_len(struct definition_array *array) |
203 | { | |
81dee1bb MD |
204 | if (!array->elems) |
205 | return array->string->len; | |
3838df27 MD |
206 | return array->elems->len; |
207 | } | |
208 | ||
0f980a35 MD |
209 | struct definition *array_index(struct definition_array *array, uint64_t i) |
210 | { | |
81dee1bb MD |
211 | if (!array->elems) |
212 | return NULL; | |
0f980a35 MD |
213 | if (i >= array->elems->len) |
214 | return NULL; | |
b1a2f580 | 215 | return g_ptr_array_index(array->elems, i); |
0f980a35 | 216 | } |
343c801f | 217 | |
8673030f JD |
218 | int get_array_len(const struct definition *field) |
219 | { | |
220 | struct definition_array *array_definition; | |
221 | struct declaration_array *array_declaration; | |
222 | ||
223 | array_definition = container_of(field, struct definition_array, p); | |
224 | array_declaration = array_definition->declaration; | |
225 | ||
226 | return array_declaration->len; | |
227 | } | |
228 | ||
da320b83 | 229 | GString *get_char_array(const struct definition *field) |
343c801f JD |
230 | { |
231 | struct definition_array *array_definition; | |
232 | struct declaration_array *array_declaration; | |
233 | struct declaration *elem; | |
234 | ||
235 | array_definition = container_of(field, struct definition_array, p); | |
236 | array_declaration = array_definition->declaration; | |
237 | elem = array_declaration->elem; | |
238 | if (elem->id == CTF_TYPE_INTEGER) { | |
239 | struct declaration_integer *integer_declaration = | |
240 | container_of(elem, struct declaration_integer, p); | |
241 | ||
242 | if (integer_declaration->encoding == CTF_STRING_UTF8 | |
243 | || integer_declaration->encoding == CTF_STRING_ASCII) { | |
244 | ||
245 | if (integer_declaration->len == CHAR_BIT | |
246 | && integer_declaration->p.alignment == CHAR_BIT) { | |
247 | ||
248 | return array_definition->string; | |
249 | } | |
250 | } | |
251 | } | |
252 | fprintf(stderr, "[warning] Extracting string\n"); | |
253 | return NULL; | |
254 | } |